Answer:
1) 1:10
2) 150:2
3) 1:3
4) 20hrs : 1hrs
Step-by-step explanation:
Answer:
-1/8 <----- FRACTION
Step-by-step explanation:
Answer:
0.9
Step-by-step explanation:
range=highest-lowest
=7.1-6.2
=0.9
The number of handshakes is the number of ways 6 objects can be selected 2 at a time.
.. C(6,2) = 6·5/(2·1) = 15
The appropriate choice is
... C) 15
_____
Consider that each person can shake hands with 5 others. That's a total of 6*5 = 30 handshakes, but it counts both A shaking with B and B shaking with A. If each pair of persons only shakes hands once, the number of handshakes is 30/2 = 15.
Answer:
I'm so sorry if I'm wrong but in my opinion I think the answer is C you don't have to choose it